Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
If Not IsPostBack Then
DropDown2.DataSource = LoadData()
DropDown2.DataBind()
End If
End Sub '此句
Sub SubmitBtn_Click(ByVal sender As Object, ByVal e As EventArgs)
Label1.Text = "您选择了:" + DropDown2.SelectedItem.Text '此句
End Sub这个要来作什么?应该放在<form></form>之间
<asp:DropDownList id="DropDown1" runat="server" />
If Not IsPostBack Then
DropDown2.DataSource = LoadData()
DropDown2.DataBind()
End If
End Sub '此句
Sub SubmitBtn_Click(ByVal sender As Object, ByVal e As EventArgs)
Label1.Text = "您选择了:" + DropDown2.SelectedItem.Text '此句
End Sub这个要来作什么?应该放在<form></form>之间
<asp:DropDownList id="DropDown1" runat="server" />
解决方案 »
免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货